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But what is the density of an atom of N? Without chemical processes involving several of the atmospheric gases, life could not exist. A nitrogen atom has seven electrons. (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. After researching in many books to find the mass of the earth's atmosphere, I found out that the answer is approximately 5 × 10 18 kg. In the ground state, they are arranged in the electron configuration 1s 2 2s 2 2p 1 x 2p 1 y 2p 1 z.It therefore has five valence electrons in the 2s and 2p orbitals, three of which (the p-electrons) are unpaired. Note: Learn more about the density here. What is the mass of a single nitrogen atom in grams? 2 moles N X 14.01 grams N-----1 Mole N. Then moles of N cancel and you are left with 28.02 (2X 14.01) But if the question in asking for N2 which is the most common form of Nitrogen because it is diatomic then you would use the same formula except you would multiply 2 X 28.02. I would like if you could show the work so I … Neutron Number and Mass Number of Nitrogen. Nitrogen also has stable isotopes, such as N-14 and N-15. For 2: So it is expected that the smallest piece of matter, like an atom of Nitrogen has it too. The atomic mass of nitrogen is 14.00674 atomic mass units. As, in 101.1 g/mol of contains 14 g/mol of nitrogen.. Then, subtract the mass of the electron for the mass of the atom to get the mass of a single sodium ion: So, 22.98977 g/mol / 6.022045X10^23 = 3.817602 X 10^-23 g/atom X 1 kg/1000 g = 3.817602 X 10^-26 kg. 1 mole of nitrogen atoms is equivalent to the gram atomic mass of nitrogen. Weights of atoms and isotopes are from NIST article. What you do is find the molar mass of N from periodic table = 14.01g. About Nitrogen gas; 1 cubic meter of Nitrogen gas weighs 1.251 kilograms [kg] 1 cubic inch of Nitrogen gas weighs 0.000723124 ounce [oz] Nitrogen gas weighs 0.001251 gram per cubic centimeter or 1.251 kilogram per cubic meter, i.e. Finding molar mass starts with units of grams per mole (g/mol). Molar mass … Calculate the number of atoms in 39.4 g gold. The atmosphere is mostly made up of oxygen and nitrogen in their diatomic forms. So, 1000 grams of will contain = of nitrogen.. The question also states that the molar mass of nitrogen (N2) is 28.0 g/mole. Nitrogen is a gas that has the atomic number 7 and the chemical symbol N. There are 7 neutrons, 7 protons and 7 electrons in a nitrogen atom. Explanation: Conversion factor: 1 kg = 1000 g For 1: Molar mass of = 101.1 g/mol. In the case of Nitrogen , density is 0.0012506 g/cm³. Everything has mass and volume, and therefore density. For 2: Mass of nitrogen will be 350 grams. Answer: For 1: Mass of nitrogen will be 138.47 grams. Mass numbers of typical isotopes of Nitrogen are 14; 15. Gram atomic mass of nitrogen = 14 g Therefore, 1 mole of nitrogen atoms contains 14 g. Related questions 0 votes. Then, convert that to kg. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). Mass of nitrogen in = 14 g/mol. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. Next, you can probably find the mass of an electron which you can also convert to kg. Hence, Mass of nitrogen in will be 138.47 grams. 1 answer. And nitrogen in will be 138.47 grams a single nitrogen atom in grams the atmosphere is made. 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